Value Collection 36864 Flat Socket Cap Screw 5/8-11 Alloy Steel

Product Description

The Value Collection 36864 is a flat socket cap screw designed for applications requiring a flush or countersunk fastener profile. Built from alloy steel with a black oxide finish, this screw delivers reliable tensile strength in demanding mechanical and structural assemblies. It features a 5/8-11 UNC thread size, measures 1-1/4 inches in overall length, and is fully threaded for maximum thread engagement. The 82-degree flat head seating angle conforms to standard countersink geometry. Drive is a 3/8-inch hex socket, requiring an Allen wrench or hex bit driver for installation. Sold in a package of 10.

This fastener is suited for use in machine assemblies, jigs, fixtures, tooling plates, and structural fabrication where a low-profile flush-mount fastener is required. The black oxide finish provides moderate corrosion resistance and reduces light reflection, making it appropriate for tooling and industrial equipment environments. Licensed tradespeople and industrial maintenance technicians commonly specify this screw in steel-on-steel applications where head protrusion is not acceptable.

Key Features

• 5/8-11 UNC fully threaded shank for maximum thread engagement
• 82-degree flat head countersink angle per ASME/ANSI B18.3 and ASTM F835 standards
• 3/8-inch hex socket drive for precise torque application
• Alloy steel construction for high tensile strength
• Black oxide finish for moderate corrosion resistance and low reflectivity
• Sold in a package of 10 units with a minimum order quantity of 1

Compatibility

Designed as a standard ASME/ANSI B18.3 and ASTM F835 compliant flat socket cap screw for use in any application requiring a 5/8-11 UNC countersunk hex socket fastener in alloy steel.

Installation Notes

Installation requires a 3/8-inch hex socket key or hex bit driver rated for the fastener size. The mating material must be drilled and countersunk to an 82-degree included angle to achieve proper flush seating. De-energize and lock out any machinery before fastener installation or removal in live equipment. Follow applicable mechanical and structural codes for torque requirements specific to the application and joint material.